billy

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Hello ! It doesn't really matter, you can use any connector you like. I have built a second PCB today with usual header connectors, take a look :

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Excellent ! Let's make the meeting there, it is fantastic. We should wait until we know more or less the number of people and book a table. I think that 20:00 is fine, in order to have enough time to talk, and EAT ! :) :) :) What do you guys think ?

We are waiting for you !! Propositions about the meeting place are mostly welcome. I suggest Ouzou Melathron :) :) :)

But this is surely PIC : http://www.fse.bc.ca/Keyless.html I think it is easy to extract only the locking circuity.... ;)

I salute all full members ! Please welcome me as well :) :)

OOPS ! Sorry guys, this is for AVR ! It is haunting me ;D

I forgot the site ! http://radiotech.by.ru/Shematic_PCB/PIC-controlers/touch_mem.htm any russian fellow here ?

I am starting this topic because some people ask me about this. I have got some sample serial number ibuttons and I really want to play with them in order to make a locking mechanism. I keep searching the net for projects and ideas, so any contributions are welcome !!! What I have already found is this site, but it is in russian !! ...well...www.systranbox.net I also found the files I am attaching... PICibutton.zip

Dear MP, congratulations on your highest ranking in this forum !!!! As far as press-n-peel is concerned, it is indeed very good but it is also a matter of experience on the ironing time and temperature. And of course the copper must be really clean and scratched on the surface in order for the toner to stick well. Another fact is that it does not always stick well near the pcb edges, so extra care is needed there. And finally there is no visual way to know when to stop ironing. Sometime in the future when I have more time and money I will try the UV method too. But for hobby projects it is all right for now ! :)

Illegal or not, the sound cannot be decoded...yet. No way. Have you stabilized the image to be always positive ?

This is my first effort to make a PCB using the press-n-peel sheets. The results for me are amazing ! Any comments ??? Will come back with full details, descriptions and tips if the forum demands so :) :)

What do you suggest instead ?

Pocket logic, all about new CMOS technologies (low voltage etc), Switches and logic selection guides

Let's see...

Great news ! I thought I could never buy this paper but I found this cheap way, only with 22 euros, shipping to Europe : http://www.pic-board.com/partshop.html?BUTTON=Part+Shop more details : http://www.pic-board.com/hfiles/TECHNIK.htm of course I bought 10 sheets without second thought ! Paid in 10 seconds via paypal :) :)

I haven't tried magazine paper before and I think that I have to give it a try too. Is it necessary for the paper to be white, or it is ok to have printed stuff in it. Should I look for thin or thick glossy paper ? There are a lot of different qualities and thicknesses in magazines. You are right about glossy papers, lots of useless pulp.What it is needed is less paper and more clay ('glue' in other words) that can easily come out when submerged in hot soapy water. Actually the whole process is a kind of art, and all arts have secrets. It's up to us to find them out !!!! :D

Just use a good glossy paper, clean the copper surface VERY well and then apply a lot of heat and pressure for 5 minutes. Then let it soak in hot water AS LONG as it takes for the paper to come out. For the etching tank you can check out the TupperTank in the recent projects section.

I am in need of a second hand cheap oscilloscope !

Yes, just drill the holes and leave the pads unrouted...

In the request form of Maxim you have to specify the desired package type, instead of the 'no pref' option ! Of course the requested samples must exist in PDIP package, some of them are SMD only.

Hi Everybody ! I have started to build my own PCB Etching Tank based on the articles I am attaching here. Soon I will publish all my efforts with photos and descriptions and I am hoping that it is going to be a cover story :) :) (if Mike likes it of course) !!! EtchingTanks.zip